Commit 9bdc112b authored by Yuan Can's avatar Yuan Can Committed by Guenter Roeck
Browse files

hwmon: (asus-ec-sensors) Add checks for devm_kcalloc 



As the devm_kcalloc may return NULL, the return value needs to be checked
to avoid NULL poineter dereference.

Fixes: d0ddfd24 ("hwmon: (asus-ec-sensors) add driver for ASUS EC")
Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
Link: https://lore.kernel.org/r/20221125014329.121560-1-yuancan@huawei.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 7dec1453

drivers/hwmon/asus-ec-sensors.c

+2 −0
Original line number Diff line number Diff line
@@ -938,6 +938,8 @@ static int asus_ec_probe(struct platform_device *pdev) 
	ec_data->nr_sensors = hweight_long(ec_data->board_info->sensors);

	ec_data->sensors = devm_kcalloc(dev, ec_data->nr_sensors,

					sizeof(struct ec_sensor), GFP_KERNEL);

	if (!ec_data->sensors)

		return -ENOMEM;



	status = setup_lock_data(dev);

	if (status) {